Buffalo Grass vs Oxalis Triangularis Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Buffalo Grass

Buffalo Grass

Bouteloua dactyloides

VS
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis

Buffalo Grass

Buffalo Grass

Bouteloua dactyloides

Buffalo grass is a warm-season perennial shortgrass native to the Great Plains. It is known for its drought tolerance, low maintenance, and ability to form a dense, attractive turf. It typically grows to a height of 4-12 inches. It spreads through stolons (above-ground stems) and rhizomes (underground stems), forming a dense mat. It is primarily an outdoor plant, valued for lawns, erosion control, and prairie restoration. It's not typically grown indoors due to its high light requirements and spreading growth habit.

Poaceae North America (Great Plains region)
✨ Features: Drought tolerance, low maintenance, native to North America
📖 Read Complete Buffalo Grass Guide
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis

Oxalis triangularis is a rhizomatous perennial plant known for its striking, triangular, purple leaves that resemble shamrocks. The leaves fold up at night and reopen during the day in response to light, a phenomenon called nyctinasty. It produces small, trumpet-shaped white or pale pink flowers. It's primarily grown as an ornamental plant, both indoors and outdoors in warmer climates, for its unique foliage and interesting movement. While it can be grown indoors, it thrives with ample bright light.

Oxalidaceae Brazil
✨ Features: Nyctinastic movement (leaves fold up at night), striking purple foliage.
📖 Read Complete Oxalis Triangularis Guide

Quick Plant Comparison

Feature Buffalo Grass Oxalis Triangularis
Light Full sun (at least 6-8 hours of direct sunlight daily) Bright indirect light to partial sun. Requires at least 4-6 hours of bright indirect light daily to maintain vibrant color and prevent legginess.
Watering Every 2-4 weeks, depending on rainfall and temperature Every 7-10 days, depending on environmental conditions
Humidity 20-60% 40-60%
Temperature 18-32°C 18-24°C
Care Level Expert Easy
Growth Rate Moderate Moderate
Max Height N/A (Not typically grown indoors) 30-45 cm
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-drained soil; tolerates a wide range of soil types, including clay and sandy soils. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 15 minutes weekly (mowing) 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Buffalo Grass

Scientific Name Bouteloua dactyloides
Family Poaceae
Native To North America (Great Plains region)
Also Known As Buffalo Grass, Teosinte
Leaves The leaves of buffalo grass are typically blue-green in color and are relatively short and narrow. They have a slightly curled or folded appearance. The texture is somewhat coarse.
Flowers Buffalo grass produces inconspicuous flowers on seedheads that rise above the foliage. Flowering occurs primarily in the summer. It rarely flowers indoors.

Oxalis Triangularis

Scientific Name Oxalis triangularis
Family Oxalidaceae
Native To Brazil
Also Known As Purple Shamrock, False Shamrock, Love Plant
Leaves The leaves are triangular in shape, resembling shamrocks. They are typically a deep purple color, although some varieties have green or variegated leaves. The leaves are smooth and delicate, with three leaflets arranged in a triangular pattern. They range from 2-5 cm in size.
Flowers Oxalis triangularis can flower indoors, especially when provided with adequate light. The flowers are small, trumpet-shaped, and typically white or pale pink. They appear on slender stems above the foliage and add a delicate touch to the plant.

📏 Size & Growth — Plant Comparison

Buffalo Grass

Height N/A (Not typically grown indoors)
Spread Spreads via stolons and rhizomes
Growth Rate Moderate
Growth Pattern Buffalo grass spreads horizontally through stolons and rhizomes, forming a dense mat. It is a relatively short grass, typically growing to a height of 4-12 inches.

Oxalis Triangularis

Height 30-45 cm
Spread 30-45 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Oxalis triangularis grows in a bushy, upright manner. It emerges from rhizomes, producing multiple stems with triangular leaves. The plant can spread via rhizomes, gradually filling the pot over time.

🌱 Propagation — Comparing Plant Growth

Buffalo Grass

Methods: Seed, Sod, Plugs, Division

Difficulty: Easy

Tips: Sow seeds in the spring after the last frost. Divide established plants in the spring or fall. Ensure good soil contact when planting sod or plugs.

Oxalis Triangularis

Methods: Division, Rhizome cuttings, Seed

Difficulty: Easy

Tips: Divide rhizomes during repotting. Plant rhizome cuttings in well-draining soil and keep moist until new growth appears. Seeds can be sown in spring.

✨ Benefits & Features — Comparing Plant Value

Buffalo Grass

Buffalo grass is a warm-season, native grass known for its exceptional drought tolerance and low maintenance requirements. It spreads through stolons and rhizomes, forming a dense turf that requires less frequent mowing and watering compared to traditional lawn grasses.

  • ✓ Drought tolerance
  • ✓ Low maintenance
  • ✓ Native to North America
  • ✓ Erosion control
  • ✓ Reduced water usage
  • 🐾 Pet Safe

Oxalis Triangularis

The most unique characteristic is the nyctinastic movement of its leaves, folding up at night and opening during the day. The striking purple, triangular foliage also sets it apart from many other houseplants. It's a relatively fast-growing plant that can quickly fill a pot.

  • ✓ Adds a pop of color to any room.
  • ✓ Provides a unique and interesting visual display with its moving leaves.
  • ✓ Relatively easy to care for, making it suitable for beginners.
  • ✓ Can be easily propagated and shared.
  • ✓ Offers a touch of whimsy and natural beauty to indoor spaces.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Buffalo Grass

Repotting N/A (Not typically grown indoors)
Pruning Mow regularly to maintain desired height.
Fertilizing Apply a low-nitrogen fertilizer in the spring. Avoid over-fertilizing, as this can promote weed growth.
Seasonal Care In the spring, apply a low-nitrogen fertilizer. In the fall, mow to remove dead foliage. Buffalo grass goes dormant in the winter.

Oxalis Triangularis

Repotting Every 1-2 years, or when the plant becomes root-bound. Divide rhizomes during repotting to propagate.
Pruning Remove dead or yellowing leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in fall and winter as the plant may go dormant. Provide bright light during the growing season (spring and summer).

🌞 Light Requirements

Buffalo Grass

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Oxalis Triangularis

Bright indirect light to partial sun. Requires at least 4-6 hours of bright indirect light daily to maintain vibrant color and prevent legginess.

Low light tolerant: ❌ No

💧 Watering Needs

Buffalo Grass

Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to fungal diseases. Signs of underwatering include browning and wilting; overwatering can cause yellowing and root rot.

Oxalis Triangularis

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and stem rot. Underwatering can cause the leaves to droop and become crispy.

🌡️ Temperature & Humidity

Buffalo Grass

Temperature: 18-32°C

Humidity: 20-60%

Oxalis Triangularis

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Buffalo Grass

Buffalo Grass

Bouteloua dactyloides
Care: Expert Time: 15 minutes weekly (mowing) Beginner: No

Homeowners seeking a low-maintenance, drought-tolerant lawn alternative in sunny, open areas.

✅ Choose This Plant If...

  • You want a low-maintenance lawn option.
  • You live in a drought-prone area.
  • You prefer a native grass species.
  • You want to reduce your lawn watering needs.
  • You want a lawn that requires less mowing.

❌ Skip This Plant If...

  • You need a shade-tolerant ground cover.
  • You want a lush, green lawn year-round.
  • You are looking for an indoor plant.
📍 Ideal Location: Full-sun outdoor location
🎨 Style: Natural, Prairie, Southwestern
🏠 Apartment Friendly: No
⚠️ Buffalo grass is not known to be toxic to humans or animals according to the ASPCA.
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Plant enthusiasts who appreciate unique foliage and enjoy watching plants respond to light.

✅ Choose This Plant If...

  • You love plants with unique foliage and interesting behaviors.
  • You want a relatively low-maintenance plant that adds a pop of color.
  • You enjoy watching plants respond to their environment.
  • You have a bright spot in your home that needs a statement plant.
  • You want a plant that is easy to propagate and share with friends.

❌ Skip This Plant If...

  • You have pets that are prone to eating plants, as it is toxic to them.
  • You struggle to provide adequate bright light for plants.
  • You tend to overwater your plants.
📍 Ideal Location: Bright windowsill, sunroom, or under grow lights.
🎨 Style: Modern, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Oxalis species contain soluble calcium oxalates. These can cause salivation, vomiting, and diarrhea in dogs, cats, and horses. In rare cases, kidney failure can occur.

🎯 Quick Verdict

Best for Beginners Oxalis Triangularis
Pet Friendly Buffalo Grass ✓
Less Maintenance Oxalis Triangularis
Apartment Friendly Oxalis Triangularis

⚡ Key Differences Between These Plants

🎯

Buffalo Grass is rated Expert care level, while Oxalis Triangularis is Easy.

💡 Pro Tips For Comparing These Plants

Buffalo Grass Care Tips

Buffalo grass is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and spreading growth habit. It needs full sun and well-drained soil. It is drought-tolerant once established but requires occasional watering during dry periods. Indoor growth is not recommended.

  • Avoid overwatering to prevent fungal diseases.
  • Apply a low-nitrogen fertilizer in the spring.
  • Mow regularly to maintain desired height.
  • Aerate the soil periodically to improve drainage.
  • Control weeds to prevent competition.
❄️ Winter: Buffalo grass goes dormant in the winter, turning brown. No special care is required during this time. Avoid excessive foot traffic on dormant grass.
☀️ Summer: Water deeply during dry periods. Mow regularly to maintain desired height. Monitor for pests and diseases.

Oxalis Triangularis Care Tips

Oxalis triangularis is relatively easy to care for indoors with proper light and watering. It requires bright indirect light to maintain its vibrant color and prevent legginess. Avoid overwatering and allow the soil to dry slightly between waterings. It can go dormant in the winter, requiring less water.

  • Provide bright, indirect light to maintain vibrant foliage color.
  • Allow the soil to dry slightly between waterings to prevent root rot.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Rotate the plant regularly to ensure even growth on all sides.
  • Consider providing a period of dormancy in the winter by reducing watering and keeping the plant in a cooler location.
❄️ Winter: Reduce watering significantly during the winter months, as the plant may enter a period of dormancy. Keep the plant in a cooler location (around 15-18°C) and provide bright, indirect light. Avoid fertilizing during dormancy.
☀️ Summer: Increase watering during the summer months to keep the soil consistently moist but not waterlogged. Provide bright, indirect light and fertilize regularly to support active growth. Protect the plant from intense direct sunlight, which can scorch the leaves.

⚠️ Common Problems & Solutions — Plant Care Comparison

Buffalo Grass

Common Issues: Weed invasion, Fungal diseases (if overwatered), Insect pests (rare)
Solutions: Apply pre-emergent herbicides to prevent weed growth. Improve drainage and avoid overwatering to prevent fungal diseases. Treat insect infestations with appropriate insecticides.

Oxalis Triangularis

Common Issues: Leggy growth, Yellowing leaves, Root rot, Pests (spider mites, aphids)
Solutions: Provide more light for leggy growth. Adjust watering and ensure good drainage for yellowing leaves and root rot. Treat pests with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Buffalo Grass

What are the light requirements for Buffalo Grass?

Buffalo Grass requires at least 6-8 hours of direct sunlight per day to thrive. It is best planted in areas with full sun exposure. Insufficient sunlight can lead to weak growth, sparse foliage, and reduced flowering. When planting Buffalo Grass, choose a location that receives ample sunlight throughout the day. If growing in containers, place them in a sunny spot, such as a south-facing patio or balcony. Rotate the containers periodically to ensure even light exposure on all sides of the plant. Monitor the grass for signs of insufficient light, such as leggy growth or pale leaves, and adjust its location accordingly. Supplemental lighting is generally not needed for Buffalo Grass grown outdoors, but may be necessary for indoor cultivation.

How do I care for Buffalo Grass?

Buffalo Grass thrives in full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Avoid overwatering, as this can lead to root rot. Fertilize sparingly, using a low-nitrogen fertilizer in the spring to promote healthy growth. Mow infrequently, typically only once or twice a year, to a height of 2-3 inches. Remove any weeds as they appear. Provide good air circulation to prevent fungal diseases. During the winter, Buffalo Grass will go dormant and require minimal care. Ensure the soil is not overly compacted to encourage healthy root growth. Monitor for pests such as grasshoppers and treat accordingly. Proper drainage is crucial for its survival.

How do I propagate Buffalo Grass?

Buffalo Grass can be propagated through division, stem cuttings, and seed.

Oxalis Triangularis

What are the light requirements for Oxalis Triangularis?

Oxalis Triangularis thrives in bright, indirect light. Too much direct sunlight can scorch its delicate leaves, causing them to turn brown or yellow. Insufficient light, on the other hand, can lead to leggy growth and a loss of color intensity. An east-facing window is often ideal, providing gentle morning light. A west-facing window can work if the plant is shielded from the intense afternoon sun.

How do I care for Oxalis Triangularis?

Oxalis Triangularis thrives in bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Ensure the pot has drainage holes to prevent root rot. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.

How do I propagate Oxalis Triangularis?

Oxalis Triangularis is easily propagated through division. During dormancy, carefully remove the bulbs from the soil. Gently separate the bulbs, ensuring each section has roots. Plant the bulbs in fresh, well-draining potting mix. Water thoroughly and place in bright, indirect light.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.